Ozone (/ ˈoʊzoʊn / ⓘ), also called trioxygen, is an inorganic molecule with the chemical formula O 3. It is a pale-blue gas with a distinctively pungent odour. It is an allotrope of oxygen that is much less …

May 13, 2026 · What is Ozone? What is ozone and where is it in the atmosphere? Are high ambient ozone concentrations found only in heavily urbanized areas? How does atmospheric ozone affect …

May 28, 2026 · Ozone is a triatomic allotrope of oxygen (a form of oxygen in which the molecule contains three atoms instead of two as in the common form) that accounts for the distinctive odor of …

1 day ago · Quick Answer: Ground-level ozone (O₃) is a colorless gas that forms when nitrogen oxides (NOₓ) and volatile organic compounds (VOCs) react in sunlight. Unlike protective ozone in the upper …

Jun 9, 2025 · What Is Ozone? Ozone (O 3) is a gas molecule composed of three oxygen atoms. Ozone is good up high, bad nearby. The ozone layer found high in the upper atmosphere shields us from …

Jun 29, 2026 · View the latest status of the ozone layer over the Antarctic, with a focus on the ozone hole. Satellite instruments monitor the ozone layer, and we use their data to create the images that …

Mar 9, 2026 · Ozone shields us from UV rays and disinfects water, but at ground level it harms lungs. Here’s where ozone helps, where it hurts, and what’s FDA-approved.

Feb 18, 2026 · Ozone is a gas composed of three atoms of oxygen. Ozone occurs both in the Earth's upper atmosphere and at ground level. Ozone can be good or bad, depending on where it is found. …

Ozone depletion consists of two related events observed since the late 1970s: a lowered total amount of ozone in Earth's upper atmosphere, and a much larger springtime decrease in stratospheric ozone …

Jan 26, 2022 · Ozone or trioxygen is an oxygen molecule that contains three oxygen atoms. In the upper atmosphere, it protects against UV radiation. But, it is a pollutant near the surface. Ozone is an …